"Reflecting circle" in what

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000-180-000-901-C
Reflecting circle, known as Borda circle, made by Francois-Antoine Jecker
made in Paris
© National Museums Scotland

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000-180-001-174-C
Reflecting circle
probably made in London
© National Museums Scotland

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000-180-001-171-C
Box (detail), for reflecting circle
probably made in Paris
© National Museums Scotland

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000-180-001-172-C
Box (detail), for reflecting circle
probably made in Paris
© National Museums Scotland

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000-180-000-899-C
Reflecting circle, probably made by Etienne Lenoir
probably made in Paris
© National Museums Scotland

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000-180-000-900-C
Reflecting circle, probably made by George Dollond
probably made in London
© National Museums Scotland

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